Free Printable Year 12 Quiz

1.

A resistor is connected to an AC power supply. On this circuit, the current

a)

leads the voltage by 90°.

b)

lags the voltage by 90°.

c)

is in phase with the voltage.

d)

none of the given answers

2.

A pure inductor is connected to an AC power supply. In this circuit, the current

a)

leads the voltage by 90°.

b)

lags the voltage by 90°.

c)

is in phase with the voltage.

d)

none of the given answers.

3.

The formula for inductive reactance is

a)

$\frac{1}{\omega L}$

b)

$\omega C$

c)

$\frac{1}{\omega C}$

d)

$\omega L$

4.

My sister .................. cooking.

a)

like

b)

liking

c)

to like

d)

doesn't like

5.

My hobbies ................ watching TV and playing sports.

a)

am

b)

be

c)

is

d)

are

6.

They .................... TV now.

a)

are watching

b)

are watch

c)

watching

d)

to watch

7.

They .................... TV now.

a)

are watching

b)

are watch

c)

watching

d)

to watch

8.

I ................. a doctor in the future.

a)

be

b)

am

c)

will be

d)

is

9.

I ................. a doctor in the future.

a)

be

b)

am

c)

will be

d)

is

10.

How many carbon atoms are in propane

a)

1

b)

2

c)

3

d)

4

11.

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

a)

20

b)

22

c)

40

d)

42

12.

Name this alkane

a)

Methane

b)

Ethane

c)

Propane

d)

Butane

13.

Name this alkane

a)

Methane

b)

Ethane

c)

Propane

d)

Butane

14.

The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.

a)

single

b)

double

c)

triple

d)

quadruple

15.

The fusion of male and female

gametes is called

a)

Sexual reproduction

b)

Asexual reproduction

c)

None

d)

Both

16.

The transformation of the larva into an adult

through drastic changes is called

a)

Animal husbandry

b)

Binary fission

c)

Metamorphosis

d)

All of the above

17.

The transformation of the larva into an adult

through drastic changes is called

a)

Animal husbandry

b)

Binary fission

c)

Metamorphosis

d)

All of the above

18.

After fertilisation, the ________ divides repeatedly to give rise to a ball of cells.

a)

Ovum

b)

Sperm

c)

Zygote

d)

Embryo

19.

Which of the following is not a part of the male reproductive system?

a)

Vas deferens

b)

Ovary

c)

Testes

d)

Penis

20.

The female gamete produced by the ovary is called ___. It is haploid in nature.

a)

Zygote

b)

Ovum

c)

Blastula

d)

Sperm

21.

Hydrocarbons burning is an example of what type of chemical reaction ?

a)

neutralisation

b)

endothermic

c)

addition

d)

exothermic

22.

a)

sheep

b)

dog

c)

goat

23.

Which animal is sheared for their fleece?

a)

horse

b)

sheep

c)

cow

24.

What does internal source of finance mean?

a)

A source from within the business

b)

A source from outside the business

25.

What does internal source of finance mean?

a)

A source from within the business

b)

A source from outside the business

26.

What does external source of finance mean?

a)

A source from within the business

b)

A source from outside the business

27.

Which is an example of an external source of finance?

a)

Owner's capital

b)

Hire Purchase

c)

Retained profits

d)

Sale of assets

28.

Which is an example of an external source of finance?

a)

Owners' Funds

b)

Sale of assets

c)

Retained profits

d)

Bank loan

29.

Where is the world's largest mangrove swamp?

a)

Eastern Mangroves, Abu Dhabi

b)

Sundarbans, Bangladesh

c)

Thailand's Mangrove forests

30.

Demography is the study of...

a)

Human Population

b)

The Art of Map Making

c)

Marine Habitats

d)

Plate Tectonics

31.

China's 'one child policy' was first imposed in what year?

a)

1979

b)

2000

c)

1965

d)

1983

32.

A radioactive nucleus R decays with the emission of a β-particle as shown:

Which equation is correct?

a)

x = p

b)

y = q

c)

p = x – 1

d)

q = y – 1

33.

What happens at resonance?

a)

Current is maximum

b)

Impedance is maximum

c)

Resistance is maximum

d)

Power factor is maximum

34.

My sister .................. cooking.

a)

like

b)

liking

c)

to like

d)

doesn't like

35.

My hobbies ................ watching TV and playing sports.

a)

am

b)

be

c)

is

d)

are

36.

They .................... TV now.

a)

are watching

b)

are watch

c)

watching

d)

to watch

37.

They .................... TV now.

a)

are watching

b)

are watch

c)

watching

d)

to watch

38.

I ................. a doctor in the future.

a)

be

b)

am

c)

will be

d)

is

39.

Which of the following diagrams is the correct phasor diagram for V_R,V_Land V?

a)

b)

c)

d)

40.

Quantity of charge can be measured in

a)

time (s)

b)

Ampere (A)

c)

coulombs (C)

d)

Joule (J)

41.

The equations for alternating emf and alternating current in a circuit containing capacitor are

a)

$V\ =\ V_0\ \sin\ \omega t,\ I\ =\ I_0\ \sin\left(\omega t-\frac{\pi}{2}\right)$

b)

$V=V_0\ \sin\ \omega t\ ,\ I\ =\ I_0\ \sin\left(\omega t\ +\frac{\pi}{2}\right)$

c)

$V\ =\ V_0\ \sin\omega t,\ I\ =I_0\ \sin\ \omega t$

d)

$V\ =\ V_0\ \sin\left(\omega t\ +\frac{\pi}{2}\right),\ I\ =\ I_0\ \sin\ \omega t$

42.

The power factor of an RLC circuit is defined as cos ∅ = R/Z, but the phase angle can also be calculated from ________.

a)

sin ∅ = (XL - XC)/Z

b)

sin ∅ = (XL - XC)/RZ

c)

sin ∅ = Z/(XL - XC)

d)

sin ∅ = RZ/(XL - XC)

43.

The period of a wave is

a)

the same as frequency

b)

time required to complete one cycle

c)

expressed in amperes

d)

none of the above

44.

A heater is rated as 230 V, 10 kW. The value 230 V refers to

a)

average voltage

b)

r.m.s voltage

c)

peak voltage

45.

In a series resonant circuit,the impedance of the circuit is

a)

minimum

b)

maximum

c)

zero

46.

The r.m.s value of an alternating current is given by steady (D.C) current which when flowing through a given circuit for a given time produces

a)

the more heat than produced by A.C when flowing through the sam circuit

b)

the less heat than produced by A.C when flowing through the sam circuit

c)

the same heat than produced by A.C when flowing through the sam circuit

47.

Which of these is a property of metals?

a)

It's malleable

b)

It can't conduct electricity

c)

They are used in food

d)

It's very brittle

48.

Which element is a metalloid?

a)

Titanium

b)

Selenium

c)

Potassium

d)

Polonium

49.

Which elements are found on the left to middle of The Periodic Table?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Candles

50.

All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT —

a)

texture

b)

conductivity

c)

luster

d)

malleability

Year 12 Quiz

Total questions: 50

Worksheet time: 27mins

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